Home / 330,288.24-495,305.56-140,628.36

Finding the Fourth Proportional to 330,288.24, 495,305.56 and 140,628.36

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Solution

The fourth proportional to 330,288.24, 495,305.56 and 140,628.36 is: 210,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,288.24 : 495,305.56 = 140,628.36 : x
  2. Step 2: Convert to fraction form
    330,288.24/495,305.56 = 140,628.36/x
  3. Step 3: Cross multiply
    330,288.24x = 495,305.56 × 140,628.36
  4. Step 4: Simplify right side
    330,288.24x = 69,654,008,601.68
  5. Step 5: Solve for x
    x = 69,654,008,601.68/330,288.24
  6. Step 6: Final answer
    x = 210,888.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.